News & results
Research highlights, project updates and observations across gamma rays, neutrinos, cosmic rays and gravitational waves.
Simulations using tilepy show how CTAO can efficiently follow gravitational-wave alerts and detect very-high-energy emission from associated gamma-ray bursts.
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The first H.E.S.S. gamma-ray burst catalog brings together 15 years of follow-up observations, analysis methods and constraints on very-high-energy emission.
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A worldwide campaign combined IceCube alerts with gamma-ray observations to search for the accelerators that produce high-energy cosmic neutrinos.
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Gaia ended its sky-scanning observations in January 2025 after more than a decade, leaving a transformative archive that will shape astronomy for years.
Read articleThe EU-funded ACME project connects European astronomy and astroparticle research infrastructures to strengthen access, tools and collaboration in multi-messenger science.
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Tilepy creates optimized observation schedules for gravitational waves, gamma-ray bursts and neutrino alerts, making coordinated follow-up faster and easier.
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The Astro-COLIBRI forum brings professional and amateur astronomers together to discuss transient events, request features and connect with the project team.
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GRB 221009A was an exceptionally bright and nearby gamma-ray burst. H.E.S.S. observations helped probe its afterglow and very-high-energy emission.
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H.E.S.S. observations of the 2021 RS Ophiuchi eruption established novae as Galactic transients capable of accelerating particles to TeV energies.
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H.E.S.S. searches wide gravitational-wave localization regions for gamma-ray counterparts, testing whether binary black-hole mergers can produce light.
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H.E.S.S. followed nearby GRB 190829A for three nights, revealing unexpectedly bright and persistent very-high-energy emission from its afterglow.
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A radio burst from the Galactic magnetar SGR J1935+2154 strengthened the connection between magnetars and fast radio bursts and triggered H.E.S.S. observations.
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H.E.S.S. and MAGIC achieved the first detections of very-high-energy gamma rays from gamma-ray bursts, opening a new window on their afterglows.
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The SGSO Alliance developed the science case for a next-generation, wide-field gamma-ray observatory covering the Southern sky.
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A high-energy IceCube neutrino and observations across the electromagnetic spectrum linked a cosmic neutrino to the flaring blazar TXS 0506+056.
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GW170817 united gravitational waves with gamma-ray and multi-wavelength observations, establishing a new era of multi-messenger astronomy.
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The first gravitational-wave event observed by all three Advanced LIGO and Virgo detectors sharply improved localization of a merging black-hole system.
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A large-scale anisotropy measured by the Pierre Auger Observatory provides strong evidence that the highest-energy cosmic rays originate beyond our Galaxy.
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Forty years after launch, the Voyager spacecraft continued to transform our view of the Solar System, the heliosphere and interstellar cosmic rays.
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Virgo joined the two Advanced LIGO detectors in 2017, creating a three-observatory network able to locate gravitational-wave sources far more precisely.
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Highlights from the 35th International Cosmic Ray Conference in Busan, including new results on transient gamma rays, cosmic rays, electrons and neutrinos.
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The third confirmed gravitational-wave signal revealed another distant black-hole merger and prompted a broad search for electromagnetic and neutrino counterparts.
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ASKAP detected three fast radio bursts shortly after beginning operations, demonstrating its potential to rapidly expand the sample of these mysterious events.
Read articleThe second XMM-Newton Slew Survey turns data collected while the satellite moves between targets into a catalog of roughly 70,000 X-ray sources.
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A multi-wavelength portrait of the Crab Nebula combines observations across nearly the full electromagnetic spectrum to reveal its complex structure.
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